A government or state agency, often an appointed commission, is a permanent or semi-permanent organization in the machinery of government that is responsible for the oversight and administration of specific functions, such as an intelligence agency.
An intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information and intelligence in support of law enforcement, national security, military, and foreign policy objectives.
The Machinery of Government means the interconnected structures and processes of government, such as the functions and accountability of departments in the executive branch of government.
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Although usage differs, a government agency is normally distinct both from a department or ministry, and other types of public body established by government.
The functions of an agency are normally executive in character, since different types of organizations are most often constituted in an advisory role—this distinction is often blurred in practice however.
A government agency may be established by either a national government or a state government within a federal system.
The term is not normally used for an organization created by the powers of a local government body.
Agencies can be established by legislation or by executive powers.
Legislation is law which has been promulgated by a legislature or other governing body or the process of making it.
The federal agencies establish throughout the U.S. Also New York City in 1845 was one of few federal agencies